448:
427:
278:
204:
383:
217:
370:
254:
536:
180:
407:
302:
346:
230:
555:
485:
560:
153:
148:
143:
138:
133:
127:
121:
116:
111:
106:
101:
90:
85:
80:
75:
70:
60:
55:
50:
45:
40:
565:
322:
473:
275:
201:
8:
512:
367:
251:
524:
411:
326:
17:
431:
374:
282:
258:
234:
208:
387:
306:
221:
184:
404:
350:
299:
549:
502:
343:
22:
461:
507:
168:
This category has the following 13 subcategories, out of 13 total.
490:
447:
The following 9 pages are in this category, out of 9 total.
29:
35:
547:
428:Weapons and ammunition introduced in 1931
537:Ready for Labour and Defence of the USSR
449:This list may not reflect recent changes
279:Mass media franchises introduced in 1931
205:Fictional characters introduced in 1931
548:
444:Pages in category "1931 introductions"
384:Typefaces and fonts introduced in 1931
218:Fictional elements introduced in 1931
163:
371:Train-related introductions in 1931
255:Games and sports introduced in 1931
13:
453:
170:
162:
14:
577:
486:Daylight saving time in Brazil
1:
181:Currencies introduced in 1931
442:
7:
408:Vehicles introduced in 1931
303:Products introduced in 1931
10:
582:
347:Symbols introduced in 1931
15:
231:Flags introduced in 1931
556:Introductions by year
474:CIE 1931 color space
561:1930s introductions
513:Mobile (sculpture)
573:
525:Nebraska Admiral
433:
413:
406:
389:
376:
369:
352:
345:
328:
308:
301:
284:
277:
260:
253:
236:
223:
210:
203:
186:
581:
580:
576:
575:
574:
572:
571:
570:
566:1931 beginnings
546:
545:
544:
543:
542:
541:
529:
517:
495:
478:
466:
441:
440:
439:
438:
435:
434:
418:
415:
414:
403:
394:
391:
390:
378:
377:
366:
357:
354:
353:
342:
333:
330:
329:
323:1931 quotations
313:
310:
309:
298:
289:
286:
285:
274:
265:
262:
261:
250:
241:
238:
237:
225:
224:
212:
211:
200:
191:
188:
187:
161:
160:
159:
158:
96:
95:
34:
12:
11:
5:
579:
569:
568:
563:
558:
540:
539:
533:
530:
528:
527:
521:
518:
516:
515:
510:
505:
499:
496:
494:
493:
488:
482:
479:
477:
476:
470:
467:
465:
464:
458:
455:
454:
445:
437:
436:
426:
425:
422:
419:
417:
416:
402:
401:
398:
395:
393:
392:
382:
381:
379:
365:
364:
361:
358:
356:
355:
341:
340:
337:
334:
332:
331:
321:
320:
317:
314:
312:
311:
297:
296:
293:
290:
288:
287:
273:
272:
269:
266:
264:
263:
249:
248:
245:
242:
240:
239:
229:
228:
226:
216:
215:
213:
199:
198:
195:
192:
190:
189:
179:
178:
175:
172:
171:
166:
157:
156:
151:
146:
141:
136:
131:
124:
119:
114:
109:
104:
98:
97:
94:
93:
88:
83:
78:
73:
68:
63:
58:
53:
48:
43:
37:
36:
9:
6:
4:
3:
2:
578:
567:
564:
562:
559:
557:
554:
553:
551:
538:
535:
534:
531:
526:
523:
522:
519:
514:
511:
509:
506:
504:
503:Maxwell Grant
501:
500:
497:
492:
489:
487:
484:
483:
480:
475:
472:
471:
468:
463:
460:
459:
456:
452:
450:
443:
429:
424:
423:
420:
409:
405:
400:
399:
396:
385:
380:
372:
368:
363:
362:
359:
348:
344:
339:
338:
335:
324:
319:
318:
315:
304:
300:
295:
294:
291:
280:
276:
271:
270:
267:
256:
252:
247:
246:
243:
232:
227:
219:
214:
206:
202:
197:
196:
193:
182:
177:
176:
173:
169:
165:Subcategories
164:
155:
152:
150:
147:
145:
142:
140:
137:
135:
132:
130:
129:
125:
123:
120:
118:
115:
113:
110:
108:
105:
103:
100:
99:
92:
89:
87:
84:
82:
79:
77:
74:
72:
69:
67:
64:
62:
59:
57:
54:
52:
49:
47:
44:
42:
39:
38:
32:
31:
25:
24:
23:introductions
19:
446:
167:
126:
65:
27:
21:
412:(4 C, 18 P)
307:(1 C, 13 P)
550:Categories
462:A-2 jacket
375:(2 C, 3 P)
351:(1 C, 2 P)
259:(2 C, 3 P)
209:(4 C, 2 P)
508:MKM steel
18:category
26:in the
20:is for
327:(13 P)
491:Dulux
432:(2 P)
388:(1 P)
283:(4 C)
235:(4 P)
222:(1 P)
185:(1 P)
154:1980s
149:1970s
144:1960s
139:1950s
134:1940s
128:1930s
122:1920s
117:1910s
112:1900s
107:1890s
102:1880s
28:year
16:This
91:1936
86:1935
81:1934
76:1933
71:1932
66:1931
61:1930
56:1929
51:1928
46:1927
41:1926
30:1931
552::
451:.
430:
410:
386:
373:
349:
325:
305:
281:
257:
233:
220:
207:
183:
532:R
520:N
498:M
481:D
469:C
457:A
421:W
397:V
360:T
336:S
316:Q
292:P
268:M
244:G
194:F
174:C
33:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.